Question

решите
(7 4/9 - 2 3/10) + (1 7/9 + 4 2/9 - 5 1/2)

5 1/2 - (1 3/14 + 11/21) + (4 5/12 - 2)

Answer 1

2)Ответ:105-31-14/42=60/42=10/7